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集散控制系統（Distributed Control System－DCS）集計算機技術、控制技術、通信技術、CRT技術于一體，廣泛應用于生產過程控制系統。隨著計算機和網絡技術的飛速發展，產生了一種新型的控制系統———現場總線控制系統（Fieldbus Control System－FCS）。但國內生產企業的情況是：大多數企業還處于模擬儀表和人工控制的階段，采用DCS控制系統的企業仍是少數。由于DCS應用廣泛、技術成熟，在現有的技術條件和市場條件下，FCS還不能完全取代DCS，而且目前現場總線設備和系統還十分昂貴。因此，除了新建企業外，國內企業在較長時間不可能全面采用現場總線技術，而必須走逐步發展、過渡的道路。 ??我們在上海石化股份公司環保部水質凈化廠監控系統的改造項目中，對3個生產單元已有的DCS和PLC進行改造，增加通信功能，實現總調度室對各生產裝置的集中監控。 2?系統改造方案?? 根據水質凈化廠各生產單元的功能和建設階段，分為廠外調節池、污水一段、氧化溝、四期污水處理、污泥脫水、污泥干化6個生產單元。另外，在廠部設有總調度室，但是總調度室的監控水平較為落后，改造之前基本上不能對各個生產單元進行監控。為了適應生產需要，提高生產效率，改善操作條件，加強監控手段，確保各生產裝置的正常運行，急需對各生產單元和總調度室進行技術和設備的更新改造，從而能在總調度室對各裝置進行監視管理，及時了解各裝置的運行情況，達到指揮及時和調度準確的目的。 2．1?現場監控系統的改造 ??現場監控系統的改造要充分利用原有儀表和設備，主要考慮可靠性和實時性。首先對自控程度較高的3個單元進行改造（系統結構見圖2—1）： ??四期污水處理生產單元控制設備配置了兩套ALLEN－BRADELY公司PLC設備。25塊開關量輸入信號卡，可采集384點信號；7塊開關量輸出信號卡，可輸出112點信號；3塊模擬量輸入信號卡，可采集24點信號。兩套AB—PLC通過DH＋（數據高速通道）實現數據共享。在原有的現場控制計算機上分別增加以太網卡，通過以太網將實時數據送到總調度室處理。??輸出192點信號；1塊模擬量輸入信號卡，可采集8點信號。系統運行采用遙控開關操作與全模擬流程盤顯示。在原有的Siemens S5－115UPLC上增加RS－232通訊模塊（CP524）和1臺現場操作站，用點對點方法連接，使PLC的數據通過現場操作站送到以太網上，與總調度室監控計算機通信。但RS－232傳輸速率只有9600bps，操作站僅對現場起到監視作用。
18796 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305703-A18793 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305211-B
13491 APPLIED MATERIALS PRESS. TRANSD. HRN 1-6 0140-09996
13353 VARIAN PCB, DIGITAL I/O BOARD, E15002453 E15002451
17789 ADVANCED ENERGY PCB, INTERCONNECT RFG 3000 V2 2305198-A
18795 ADVANCED ENERGY PCB, RFG 3K INTERCONNECT CE 2305211-A
2877 FUJIKIN PNEUMATIC DIAPHRAGM VALVE 0.39 ~ 0.59 MPA 91543
2627 VAT GATE VALVE GLIDE 200MM, 89094-R1 87327-R1
17264 EPPENDORF SINGLE CHANNEL PIPETTE, ADJUSTABLE 20-200 UL EP 3123000055
10213 APPLIED MATERIALS KIT,ON-BOARD CHAMBER INTEGRATION 0240-70691
8040 BANNER FIBER OPTIC CABLE IT23S
8000 GE FANUC PCB BEM 733 REMOTE I/O SCANNER IC697BEM733H
10317 KEYENCE TEMPERATURE CONTROLLER TF4-10
20571 GEN PCB ASSY 3420500300
417 LEYBOLD INFICON LEYBOLD INFICON TRANSPECTOR TSP TC100849 TSP TC100 849
7691 HORIBA-STEC INJECTION VALVE P/N:0190-04690 IV-2410AV-02H-180S
4608 SICK PHOTOELECTRIC SENSOR WT24-2B410
13295 TEKTRONIX PCB, DRAM/PROCESSOR BOARD 671-2771-00
15931 LAM RESEARCH RF CABLE, 6.4M 834-036619-021
16118 APPLIED MATERIALS BASE, HEATER, GIGA-FILL SACVD 0021-36008
16972 APPLIED MATERIALS WELDMENT VLV MANF 4 STATION 0010-47446
15188 APPLIED MATERIALS MTR ENCODER ASSY ROBOT EXTENSION 0090-02953
1048 NOVELLUS SHIELD, BOTTOM FRONT, GRIT BLAST 17-291213-00
4115 MITSUBISHI AC SERVO DRIVE, 400W AC200V-230V 50/60HZ 2.8A MR-H40A
20345 SEMITOOL PCB ASSY, SERVO CONTROLLER CARD 115908-004
10706 YASKAWA AC SERVO MOTOR SGM-02A312
4127 APPLIED MATERIALS ASSEMBLY MINI LP-3 MAGNET , 0021-04527 0010-01198
R33 ALCATEL VACUUM PUMP CONTROLLER 86799
2604 DAIHEN CPI CONTROLLER PN:3D80-001919-11 MDM-01A
10637 APPLIED MATERIALS ACTUATOR, LIFT ASSY 0190-25812
22045 TSUKASA ELECTRIC DC GEARED MOTOR W/ GEARHEAD 611A-SU-85.3-F575
21754 SUPERIOR ELE SLO-SYN STEPPING MTR W/ BALL SCREW M061-LF-517
13024 LIN ENGINEERING COMPACT STEPPER MOTOR 211-18-01-23RO
14396 APPLIED MATERIALS ADAPTER, WIDE BODY INDEXER CMF CENTURA 0040-87410
15080 APPLIED MATERIALS HARNESS ASSY,DTLR DOP/S INTERLOCK 0140-35916
15479 APPLIED MATERIALS CABLE ASSY,SCRUBBER INTERFACE JUMPER 0226-97866
18962 LAM RESEARCH LIFTER,WAFER,4-PIN FLEXIBLE 715-011622-120
13610 SPECTRA-PHYSICS PCB, QUAD CELL PREAMP CONNECTOR BOARD LZT-9006
14827 APPLIED MATERIALS RING, TEFLON, BLOCKER, GIGA-FILL SACVD 0021-38799
14821 APPLIED MATERIALS CLAMP ATM INNER RACE XP ROBOT 0040-83305
14620 APPLIED MATERIALS TOOL,DDF3 I-CLP, 0040-77405
19931 RKI INSTRUMENTS PCB ASSY, MDK311V-0 RKP-90107
9402 REIS ROBOTICS SERVOSTARKER, ID: 3520782 DRIVE 4003
4785 BIMBA CYLINDER F0-041.5-3
1527 GEMS SENSORS FLOW SWITCH 20VA 120/240VAC FS-150
10397 HVA 4'' GATE VALVE 11211-0400
12177 DESOUTTER TORQUE SPINDLE/CONTROLLER, P/N: 6151654230 EME35-10J
2102 OMRON TEMPERATURE CONTROLLER E5ZT-N08TC01-2
6346 HORIBA-STEC MFC SEC-E440 SEC-E400JSERIES SEC-Z313M
1301 TDK CORPORATION SWITCHING POWER SUPPLY RKW15-2ROC
9378 REXROTH ECO DRIVE DKCXX.3-040-7
1104 OMRON HEATER FAULT DETECTOR K2CU-P 2A-A
20245 APPLIED MATERIALS ENCDR, OPTICAL 0880-01004
20209 APPLIED MATERIALS ENCLOSURE, SHUTTER, 0020-28293 0020-22879
2318 KEYENCE DIGITAL OPTICAL FIBER AMPLIFIER, EX-500 SERIES EX-502
7462 VAT BELLOWS MANUAL ANGLE VALVE, A-266085 26332-KA01-0002
10424 CLEAR-VU VACUUM FILTER LIQUID SEPARATOR ASSEMBLY DEGASSER P-1 150.UL
3141 ASML LASER ASSY 4022.436.1723 112052-8
9667 CKD 8 SLOT SOLENOID MANF VLV(N4S020) W/ SLAVE STATION (OPP3-1H) N4S0-T56
14913 PULNIX COMPACT MONOCHROME CAMERA W/ TAMRON 300875 TM-7CN
T256 MKS BARATRON PR TRANSD 10 TORR LAM 853-031399-R001-C-ELM 625A11TDE
2131 PROLOG PCB, TTL I/O CARD PWB111469-003
T159 MKS VACUUM ISOLATION SYSTEM CV7627B-42
15890 APPLIED MATERIALS ISOLATOR, DC BIAS 0020-20114
15659 TOKYO ELECTRON PCB,CSS BOARD#2 1981-600286-11
15602 APPLIED MATERIALS QUARTZ PIN, STANDOFF, COOLDOWN 0200-35780
3652 WATKINS-JOHNSON PCB, QUAD SSR INTERFACE 905717-001
16564 OEM PCB, SAT7418-3 BOARD 83116-220-01
18817 APPLIED MATERIALS CABLE ASSY, 1.8M 0140-02777
19293 HONEYWELL MINI-PEEPER ULTRAVIOLET SCANNER C7027A 1072
19317 PARKER IB-131 INTERFACE 99-000018-01
14434 APPLIED MATERIALS CATHODE SWITCH COVER PRECLEAN 2 0020-24412
14435 APPLIED MATERIALS CATHODE INTLK COVER PRECLEAN 2 0020-24411
14904 APPLIED MATERIALS CABLE ASSY, MODIFIED FACILITIES PANEL 0150-09064
2160 WATKINS-JOHNSON PCB, O3 INTERFACE PWB 906106-001
16256 ENI IMPEDANCE MATCHING NETWORK, MATCHWORK-10D MW-10D
10918 RFPP RF AM-10 AUTO MATCHING NETWORK, 1000 WATTS, 13.56 MHZ 7610807010
9587 APPLIED MATERIALS ASSY SABPSG 8' T1SABB THICK 0010-10521
5378 OMRON SYSMAC 8-SLOT PROGRAMMABLE CONTROLLER PLC CPU11 C200HE
21829 MITSUBISHI AC SERVO MOTOR HC-KFS13BK-S9
13474 APPLIED MATERIALS CABLE, EMC COMP, ANALOG #1 GAS 0150-76225
20580 EMI PCB ASSY, SUNG WEI 11620-01P-707(E1) 098-11620-00
20961 OMRON PCB, TEMPERATURE CONTROLLER, 3385804-8C E5ZT-N08TC01
20913 APPLIED MATERIALS HARNESS ASSY, DR 11-12-13-14 MTR ENC 0140-70601
20910 APPLIED MATERIALS HARNESS ASSY LL MOTION SV I/O PRODR XP 0140-62711
12931 VEXTA 5-PHASE STEPPING MOTOR, 0.72°/STEP UPH566G-A
6118 SAM MFC FANTAS MASS FLOW CONTROLLER SFC480F1M0-4VP
647 ALLEN-BRADLEY 160 SSC VARIABLE SPEED DRIVE SSC 160-AA03NPS1P1
12095 CUH VARIABLE FREQ DIGITAL CNTLR FOR VIBRATORY FEEDER SVF-188-N1
2616 HEIDENHAIN EXE 612, NTN INTERPOLATION BOX, SRZ-018 271 183 02
2391 OMRON TEMPERATURE CONTROLLER E5CW-QP
16239 APPLIED MATERIALS FTG DBL SIDED KF40 W/1-1/8NPT 3300-04289
17555 BANNER HEAVY DUTY FIBER OPTICS 90CM, 21087 BAR.753SMRA
21648 BROOKS PCB ASSY (D-CONN) FOR 5851EM SNSR ASSY 5851EMA3EKTHDKC S097Y847AAA
8527 FURON SBVM144 DIAPHRAGM VALVE SBVM 1/40R 1/4 FNPT
9290 CHUO SEIKI STAGE LINEAR POSITIONER LS-612
16658 APPLIED MATERIALS SHIELD, TAPERED, 200MM 0200-10194
16601 APPLIED MATERIALS COVER CHAMBER TOP 0020-75140
14449 SMC SOLENOID VALVE ASSY VX3134M
15619 APPLIED MATERIALS APERTURE PLATE 0020-98420
21766 NIDEC SERVO STEPPER MOTOR W/ ENCODER RENCO-R35I KH56KM2B082
21811 YASKAWA ELECTRIC AC SERVO MOTOR W/O ENCODER COVER SGM-01U3B4L
21804 FAULHABER DC SERVO MOTOR W/ MINIMOTOR 23/1 66:1, P/N: 942193 2842S012C
16123 APPLIED MATERIALS LINE,UPPER EXHAUST WXP CHMBR D 0050-76670
14969 CLIPPARD 8-PORT ELECTRONIC PNEUMATIC MANIFOLD BOARD PCB EMC-08
15215 APPLIED MATERIALS MANIFOLD CLEAN GAS 200MM PRODUCER 0021-04297
12149 BAUMER DIFFUSE PHOTOELECTRIC SENSOR OZDK 10P5101/S35A
14888 APPLIED MATERIALS I/O BLOCK, 300MM MAINFRAME DEVICE NET, DIP294 0190-13220
20039 ENTEGRIS FAST VENT DIFFUSER SI5M028E05
20611 APPLIED MATERIALS FEED THROUGH ASSEMBLY, 16CM 0048-20048
1330 LEYBOLD TURBO VACUUM PUMP, TURBOVAC 50 85402
8651 HITACHI POWER MODULE (TYPE 0332) 8-0114
20602 ROHDE & SCHWARZ DIODE POWER SNSR 100KHZ - 6GHZ 10NW - 500MW 4.8M NRV-Z5
22045 TSUKASA ELECTRIC DC GEARED MOTOR W/ GEARHEAD 611A-SU-85.3-F575
21754 SUPERIOR ELE SLO-SYN STEPPING MTR W/ BALL SCREW M061-LF-517
16410 SWAGELOK SURFACE MOUNT METERING VLV WITH ADAPTER 0040-52246
19912 VETRA SYSTEMS PCB ASSY 60-0000-0004-02
注：聯系我時，請說是在“傲立機床網”上看到的，謝謝！
